(4R,5S)-5-((1S,2R)-1-Carboxy-2-hydroxypropyl)-3-(((3S,5S)-5-(dimethylcarbamoyl)pyrrolidin-3-yl)thio)-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylic acid;(4R,5S)-3-{[(3S,5S)-5-(dimethylcarbamoyl)pyrrolidin-3-yl]sulfanyl}-5-[(2S,3R)-3-hydroxy-1-oxobutan-2-yl]-4-methyl-4,5-d ihydro-1H-pyrrole-2-carboxylic acid
